Results 21 to 30 of about 317,847 (305)

Impact of urbanization on the spatial and temporal evolution of the water system pattern: A study of the Wuhan metropolitan area in China

open access: yesEcological Indicators, 2023
With the rapid economic development and continuous urbanization, the status of river ecosystems is undergoing profound changes. Therefore, quantitative assessment of the impact of urbanization on the water system is highly desirable.
Yi Xiao   +4 more
doaj   +1 more source

Photosynthesis Characteristics of Tomato Plants and Its’ Responses to Microclimate in New Solar Greenhouse in North China

open access: yesHorticulturae, 2023
With the increasing demand for vegetable fruits, vegetable plants are moved to protected structures for achieving high production and economic revenue, especially in undesirable seasons.
Haijun Liu, Mengxuan Shao, Li Yang
doaj   +1 more source

Succession of phytoplankton in a shallow lake under the alternating influence of runoff and reverse water transfer

open access: yesHydrology Research, 2020
Both runoff and water diversion can interfere with the physical and chemical environment of a lake and affect aquatic organisms. In this study, previously obtained data were used to analyze the phytoplankton community, water quality, water level, and ...
Qing Li   +3 more
doaj   +1 more source

Approach for Evaluating Summer Maize Yield Losses under Extreme Rainfall Events:A Case Study in “7·20” Heavy Rain Event in Henan Province

open access: yesGuan'gai paishui xuebao, 2023
【Objective】 Flooding and waterlogging is a common abiotic stress facing agricultural production. Understanding its impact on crop yield is essential to evaluating food supply and security.
LIU Haijun, TANG Xiaopei, YANG Li
doaj   +1 more source

Patterns of Sponge Abundance Across a Gradient of Habitat Quality in the Wakatobi Marine National Park, Indonesia [PDF]

open access: yes, 2011
Sponges are important components of reef communities worldwide, fulfilling a number of important functional roles. Habitat degradation caused by the loss of hard corals has the potential to cause increases in sponge abundance and percentage cover as they
Bell, JJ   +3 more
core   +1 more source

Analysis of vegetation condition and its relationship with meteorological variables in the Yarlung Zangbo River Basin of China [PDF]

open access: yesProceedings of the International Association of Hydrological Sciences, 2018
The Yarlung Zangbo River Basin is located in the southwest border of China, which is of great significance to the socioeconomic development and ecological environment of Southwest China.
X. Han   +9 more
doaj   +1 more source

Energy Balance, Microclimate, and Crop Evapotranspiration of Winter Wheat (Triticum aestivum L.) under Sprinkler Irrigation

open access: yesAgriculture, 2022
Understanding the impact of sprinkler irrigation on field energy balance, microclimate, and crop evapotranspiration is of great importance for optimizing irrigation scheduling and enhancing crop growth.
Xiaopei Tang   +4 more
doaj   +1 more source

On the mechanism of formation of asymmetric ultra- and hyper-filtration membranes [PDF]

open access: yes, 1977
A study has been made of the formation of membranes from solutions of poly(2,6-dimethyl-1, 4-phenylene oxide) (P.P.0.2) in trichloro-ethylene/alcohol mixtures and using methanol as the precipitation agent.
Broens, L.   +2 more
core   +7 more sources

Evaluation of Drought Propagation Characteristics and Influencing Factors in an Arid Region of Northeast Asia (ARNA)

open access: yesRemote Sensing, 2022
The characteristics of the drought propagation from meteorological drought (MD) to agricultural drought (AD) differ in various climatic and underlying surface conditions.
Chong Li   +4 more
doaj   +1 more source

Comparative genome-centric analysis reveals seasonal variation in the function of coral reef microbiomes [PDF]

open access: yes, 2020
Microbially mediated processes contribute to coral reef resilience yet, despite extensive characterisation of microbial community variation following environmental perturbation, the effect on microbiome function is poorly understood.
Bourne, David G.   +6 more
core   +2 more sources

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